This sexually transmitted disease is caused by a bacterium and is known to cause sores called chancres.
 b. syphilis 
        
                    
             
        
        
        
Adults should do about 2-3 days of strength training exercises each week
x
 
        
                    
             
        
        
        
Talk to someone you trust about your feelings and why you feel this way about yourself.
        
                    
             
        
        
        
Answer:
a neurotransmitter is a signalling molecule that is created and released by neurones and neurotransmitter travel across the synapse 
a neuron is a specialised cell that transmits electrical impulses in the nervouse system 
Explanation:
essentially neurotransmitter are just made by neurones, when a neurotransmitter signals another neuron this is what causes this such as muscle movement 
 
        
             
        
        
        
true is the answer hope it helped